The Morris County Prosecutor's Office says 14-year-old Greta Tim was reported missing by her mother in August 2008.
The Irvington resident's remains were found in a bag by landscapers in Parsippany in April 2012.
Authorities say a forensic anthropologist helped officials narrow down their search of missing person files.
Authorities say the events surrounding the teen's death remain under investigation and detectives continue to pursue many leads.
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